1.

Wastewater treatmentplants releases someuseful by-products. Justifythe statement withexamples

Answer»

Wastewater is treated in a sewage treatment plant.

Treatment plants reduce pollutants in wastewater to a level where naturecan take care of it.

Where underground sewerage systems and refuse disposal systems arenot available, the low cost on-site sanitation system can be adopted.

By-products of wastewater treatment are sludge and biogas



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